53314840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 124185600

約数和(自身を除く): 70870760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 139, 172, 215, 223, 278, 344, 430, 446, 556, 695, 860, 892, 1112, 1115, 1390, 1720, 1784, 2230, 2780, 4460, 5560, 5977, 8920, 9589, 11954, 19178, 23908, 29885, 30997, 38356, 47816, 47945, 59770, 61994, 76712, 95890, 119540, 123988, 154985, 191780, 239080, 247976, 309970, 383560, 619940, 1239880, 1332871, 2665742, 5331484, 6664355, 10662968, 13328710, 26657420, 53314840]

約数ペア:

[(1, 53314840), (2, 26657420), (4, 13328710), (5, 10662968), (8, 6664355), (10, 5331484), (20, 2665742), (40, 1332871), (43, 1239880), (86, 619940), (139, 383560), (172, 309970), (215, 247976), (223, 239080), (278, 191780), (344, 154985), (430, 123988), (446, 119540), (556, 95890), (695, 76712), (860, 61994), (892, 59770), (1112, 47945), (1115, 47816), (1390, 38356), (1720, 30997), (1784, 29885), (2230, 23908), (2780, 19178), (4460, 11954), (5560, 9589), (5977, 8920)]